Pith Number

pith:O6N6HR26

pith:2014:O6N6HR26GA45UMKRR4C3WD4APM

not attested not anchored not stored refs pending

An algorithm for Boolean satisfiability based on generalized orthonormal expansion

Virendra Sule

arxiv:1406.4712 v3 · 2014-06-18 · cs.DS · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6N6HR26GA45UMKRR4C3WD4APM}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:47:32.672485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

779be3c75e3039da31518f05bb0f807b2a67b27c42f74e6f689f8a4c538cbb58

Aliases

arxiv: 1406.4712 · arxiv_version: 1406.4712v3 · doi: 10.48550/arxiv.1406.4712 · pith_short_12: O6N6HR26GA45 · pith_short_16: O6N6HR26GA45UMKR · pith_short_8: O6N6HR26

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O6N6HR26GA45UMKRR4C3WD4APM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 779be3c75e3039da31518f05bb0f807b2a67b27c42f74e6f689f8a4c538cbb58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083fc9b538f9b677b1d91866c8a7d91e9f7a3cf31af575862ba4a69d97d4ad8f",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-06-18T13:42:52Z",
    "title_canon_sha256": "422ad32cc7d636670c9e4863564074a469e02009ce214f1c9bd63a4343cae9e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4712",
    "kind": "arxiv",
    "version": 3
  }
}